[Feature Request]Theme change with browser theme automatically.

[umaybe]

For example, md theme changes to github if browser theme is light and md theme changes to github-dark if browser theme is dark.
I usually change browser theme automatically with day and night, this will be convenient.
Thank you so much!❤️

[simov]

I see your point, note that some of the other themes available with the extension already supports the auto mode. For GitHub in particular maybe I should add an explicit GitHub Light theme and leave the GitHub one as being auto as well.